2542500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{113}}^1$

素因数の和:143

約数の個数: 90

約数和(自身を含む): 8102094

約数和(自身を除く): 5559594

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 113, 125, 150, 180, 225, 226, 250, 300, 339, 375, 450, 452, 500, 565, 625, 678, 750, 900, 1017, 1125, 1130, 1250, 1356, 1500, 1695, 1875, 2034, 2250, 2260, 2500, 2825, 3390, 3750, 4068, 4500, 5085, 5625, 5650, 6780, 7500, 8475, 10170, 11250, 11300, 14125, 16950, 20340, 22500, 25425, 28250, 33900, 42375, 50850, 56500, 70625, 84750, 101700, 127125, 141250, 169500, 211875, 254250, 282500, 423750, 508500, 635625, 847500, 1271250, 2542500]

約数ペア:

[(1, 2542500), (2, 1271250), (3, 847500), (4, 635625), (5, 508500), (6, 423750), (9, 282500), (10, 254250), (12, 211875), (15, 169500), (18, 141250), (20, 127125), (25, 101700), (30, 84750), (36, 70625), (45, 56500), (50, 50850), (60, 42375), (75, 33900), (90, 28250), (100, 25425), (113, 22500), (125, 20340), (150, 16950), (180, 14125), (225, 11300), (226, 11250), (250, 10170), (300, 8475), (339, 7500), (375, 6780), (450, 5650), (452, 5625), (500, 5085), (565, 4500), (625, 4068), (678, 3750), (750, 3390), (900, 2825), (1017, 2500), (1125, 2260), (1130, 2250), (1250, 2034), (1356, 1875), (1500, 1695)]